Zobrazeno 1 - 10
of 21
pro vyhledávání: '"David Nitsche"'
Publikováno v:
Journal of Energy Storage. 50:104689
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ae5268100ec3525bce6ec7b9c2ff531
https://doi.org/10.1016/j.est.2022.104689
https://doi.org/10.1016/j.est.2022.104689
Autor:
Gernot M. Wallner, David Nitsche, Klemens Grabmayer, Michael K. Grabmann, Wolfgang Buchberger
Publikováno v:
Solar Energy. 172:152-157
This paper deals with the global aging behaviour of a polypropylene random copolymer liner material for seasonal thermal energy storages. Hot air aging experiments at elevated temperatures of 95 °C, 115 °C and 135 °C were carried out using micro-s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5a482c96996cdbadbc8000d07f816f1
https://doi.org/10.1016/j.solener.2018.05.080
https://doi.org/10.1016/j.solener.2018.05.080
Publikováno v:
Solar Energy. 172:141-145
This paper deals with the effect of carbon nanotubes (CNT) on the basic characteristics and the global aging behaviour of β-nucleated polypropylene random copolymer absorber material for overheating protected solar thermal collectors. Hot air aging
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4b1bdb20c37da41a444ce0158a96dd1
https://doi.org/10.1016/j.solener.2018.06.023
https://doi.org/10.1016/j.solener.2018.06.023
Autor:
Wolfgang Buchberger, Gernot M. Wallner, David Nitsche, Michael K. Grabmann, Christoph Romanin, Leila Maringer, Martin Muik
Publikováno v:
International Journal of Polymer Analysis and Characterization. 22:692-698
Within this work, a fluorescence microscopy approach for the investigation of the distribution of polymer additives in polypropylene is presented. The fluorescent whitening agent 2,5-bis-(5-tert-butyl-benzoxazol-2-yl)-thiophene was used as a model co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff25d0b79a2660ece2e1c483e01a4c93
https://doi.org/10.1080/1023666x.2017.1367120
https://doi.org/10.1080/1023666x.2017.1367120
Publikováno v:
Solar Energy. 170:988-990
The paper deals with the lifetime assessment of polyethylene (PE) and polypropylene (PP) liner materials for seasonal heat storages. Temperature loading profile was estimated for a storage type with maximum temperatures of 85 °C in September and min
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce94720fc126acbc99ede998617e0a77
https://doi.org/10.1016/j.solener.2018.06.046
https://doi.org/10.1016/j.solener.2018.06.046
Publikováno v:
Polymer Degradation and Stability. 131:91-97
Within this work, UV-initiated interaction mechanisms between the phenolic antioxidant Irganox 1330 and nine commercially used hindered amine light stabilizers (HALS) were successfully studied using high-performance liquid chromatography (HPLC) coupl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::088e110fa0da0dcb11c6fc46cdea181c
https://doi.org/10.1016/j.polymdegradstab.2016.07.007
https://doi.org/10.1016/j.polymdegradstab.2016.07.007
Autor:
Christian Hess, David Nitsche
Publikováno v:
The Journal of Physical Chemistry C. 120:1025-1037
Dispersed vanadia and titania are of great interest due to their (photo)catalytic properties. The structure of isolated (highly dispersed) vanadia and titania has been studied using a combination of deep UV Raman, UV–vis, and IR spectroscopy. Highl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89bf55dbc1ef3b7329ec315fb385a913
https://doi.org/10.1021/acs.jpcc.5b10317
https://doi.org/10.1021/acs.jpcc.5b10317
Publikováno v:
Colloid and Polymer Science. 293:1593-1605
The mechanical deformation and relaxation behaviour of thin-grafted polymer layers is investigated by a scanning force microscope (SFM) in contact mode. The layers were considerably plastically deformed at different temperatures. By scratching across
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da09f12deb884fde54ddb697f0873fe8
https://doi.org/10.1007/s00396-015-3549-0
https://doi.org/10.1007/s00396-015-3549-0
Autor:
Harald Schobermayr, Klemens Grabmayer, Susanne Beißmann, David Nitsche, Wolfgang Buchberger, Gernot M. Wallner, Reinhold W. Lang, Karl Schnetzinger
Publikováno v:
Polymer Degradation and Stability. 111:185-193
Specimens with varying thickness of different polypropylene random copolymer formulations were oven aged in hot air at 135 °C. Besides macro-sized specimens die-punched from 2 mm thick extruded sheets, 50 μm, 200 μm and 500 μm thick micro-sized s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0217ebebabc234104e5a3588123847e1
https://doi.org/10.1016/j.polymdegradstab.2014.11.004
https://doi.org/10.1016/j.polymdegradstab.2014.11.004